International Day for Underwater Cultural Heritage
Proclaimed at UNESCO’s 43rd General Conference (2025)
For 2026, these source-backed observances resolve to Friday, August 21. Recurring rules can move in another year, so each record keeps its own date logic.
Proclaimed at UNESCO’s 43rd General Conference (2025)
A/RES/72/165
Proclaimed at UNESCO’s 43rd General Conference (2025)
A/RES/72/165
National Day Archives records August 21 and identifies The Hesch Firm / Joel D. Hesch as the creator of the 2017 upcoding-fraud awareness day.
Republic Act No. 9256
This page is assembled from verified fixed dates, reusable recurrence rules, and target-year records whose edition matches 2026. Variable, historical or unresolved records are not silently forced onto this date.
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